[release-4.20] OCPBUGS-62167: Fix - NetworkManager restart or crash renders br-ex unusable

[openshift-cherrypick-robot]

This is an automated cherry-pick of #5304

/assign openshift-ci-robot

[openshift-ci-robot]

@openshift-cherrypick-robot: Detected clone of Jira Issue OCPBUGS-54682 with correct target version. Will retitle the PR to link to the clone.
/retitle [release-4.20] OCPBUGS-62167: Fix - NetworkManager restart or crash renders br-ex unusable

In response to this:

This is an automated cherry-pick of #5304

/assign openshift-ci-robot

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[openshift-ci-robot]

@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-62167, which is invalid:

• release note text must be set and not match the template OR release note type must be set to "Release Note Not Required". For more information you can reference the OpenShift Bug Process.

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

This is an automated cherry-pick of #5304

/assign openshift-ci-robot

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci]

@openshift-cherrypick-robot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/bootstrap-unit	f1f8d6f	link	false	/test bootstrap-unit
ci/prow/e2e-gcp-op-single-node	f1f8d6f	link	true	/test e2e-gcp-op-single-node
ci/prow/e2e-hypershift	f1f8d6f	link	true	/test e2e-hypershift

Full PR test history. Your PR dashboard.

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[sdodson]

/label backport-risk-assessed approved staff-eng-approved

[mkowalski]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: mkowalski, openshift-cherrypick-robot
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